"We didn't know the results," Josh, 25, told the mag "But we gave them [from the doctor] to the sound guy, Jim, and he planned out this very unique reveal. It caught us off guard in a time and place we least expected."

Like parents Jim Bob and Michelle, they are letting a higher power decide the size of their family, telling the mag that they'll have as many kids as "God gives us."

"It is not about having a bunch of babies. It is about enjoying each child God has given you and focus on every day that you get with your child," Anna, 25, said.